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Diagram the formation of an ether. Name the type of reaction and the ether you created.
You want to prepare 250 ml of buffered solution composed of NH3 and NH4Cl with a pH of 10.1. If you start with 250 ml of 0.15 M NH3 solution, how many grams of NH4Cl salt must you add. Round answer to two decimals.
The reaction 2NO (g)-> N2 (g) + O2 (g) has a H = 180.5 kJ. How much heat will be required to produce 44.8 L of NO by the reverse reaction?
A 275-g sample of nickel at 100.0C is placed in 100.0 mL of water at 22.0C. What is the final temperature of the water.
When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:
Write the balanced chemical equation that corresponds to this reaction. B) If 15g cyclohexane is burned in a calorimeter with a heat capacity of 230kJ/K, what temperature change do you expect
The company is interested in the drug's value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries.
For each alkene, indicate the direction of the dipole moment. For each pair, determine which compound has the larger dipole moment. a) cis-1,2-difluoroethene and trans-1,2-difluorothene
Calculate the membrane potential at 25°C. How would you calculate the membrane potential if it is permeable for Na+ ions in addition to K+
Discuss the relationship between the proper functioning of enzymes and the tertiary structure of proteins
describe the coordination geometry e.g. octahedral for each metal ion and the mxnlm formula for deoxy and oxy form of
How many total moles of ions are released when the following sample dissolves completely in water? 0.382 mol K2HPO4 (Assume that the hydrogen phosphate ion remains intact in solution.)
The molar mass of an oxygenated hydrocarbon substance is 88.0 g / mole.Its composition is as follows:O:36.4%,H :9.0%,C:54.6%.Calculate the empirical formula and molecular formula.(use atomic mass C=12.0,H=1.0,O=16.0)
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